Home / 7,521.98-10,380.66-4,164.79

Finding the Fourth Proportional to 7,521.98, 10,380.66 and 4,164.79

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Solution

The fourth proportional to 7,521.98, 10,380.66 and 4,164.79 is: 5,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.98 : 10,380.66 = 4,164.79 : x
  2. Step 2: Convert to fraction form
    7,521.98/10,380.66 = 4,164.79/x
  3. Step 3: Cross multiply
    7,521.98x = 10,380.66 × 4,164.79
  4. Step 4: Simplify right side
    7,521.98x = 43,233,297.48
  5. Step 5: Solve for x
    x = 43,233,297.48/7,521.98
  6. Step 6: Final answer
    x = 5,747.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.